34 Questions
Which technique is commonly used in the United States for monitoring prenatal growth and development?
Using sound waves to generate a picture of the fetus
At what stage of pregnancy can ultrasound typically be used?
5-6 weeks after conception
Which technique is used to obtain a sample of the amniotic fluid surrounding the fetus for analysis?
Inserting a needle through the mother's abdomen to obtain a sample of amniotic fluid
Which technique is commonly used to monitor prenatal growth and development in the United States?
Using sound waves to generate a picture of the fetus
At what stage of pregnancy can ultrasound typically be used?
5-6 weeks after conception
What is the purpose of using ultrasound during pregnancy?
All of the above
What can be determined through ultrasound at 9-10 weeks after conception?
The sex of the fetus
What is the purpose of amniocentesis during pregnancy?
To obtain a sample of the amniotic fluid
When is amniocentesis typically performed during pregnancy?
15-16 weeks after conception
What is the purpose of obtaining a sample of the amniotic fluid during pregnancy?
To identify genetic disorders
What can be detected through ultrasound in pregnancies with suspected genetic disorders?
Gross physical deformities
What is the size of the tool used for ultrasound during pregnancy?
The size of a hair dryer
What is the quality of the pictures generated by ultrasound during pregnancy?
Grainy
During prenatal development, the period of the zygote occurs during which weeks?
Weeks 1-2
What is the average duration of prenatal development?
38 weeks
What are the three periods of prenatal development?
Period of the zygote, period of the embryo, period of the fetus
What is the scientific term used to describe the baby-to-be during the period of the embryo?
Embryo
How many sperm complete the journey to the fallopian tubes out of the millions released during ejaculation?
A few hundred
What is the duration of prenatal development?
38 weeks
When do body structures and internal organs emerge in prenatal development?
During the second trimester
When do body systems begin to function well enough to support life?
During the third trimester
What is the significance of measuring pregnancy from the start of a woman's last menstrual period?
It helps calculate the due date
What is the main topic of the text?
Prenatal development
Which term refers to the process of mixing sperm and an egg in a petri dish to create a zygote, which is then placed in a woman's uterus?
In vitro fertilization
What is the purpose of preimplantation genetic screening (PGS)?
To determine the presence of genetic disorders
What is the definition of eugenics?
The effort to improve the human species by letting only people whose characteristics are valued by a society mate and pass along
What is the definition of zygote?
The fertilized egg, created when a sperm cell penetrates an egg
Which term refers to the process of mixing sperm and an egg in a petri dish to create a zygote, which is then placed in a woman's uterus?
In vitro fertilization
What is the purpose of preimplantation genetic screening (PGS)?
To determine the presence of genetic disorders in a zygote
What is the definition of zygote?
The fertilized egg created when a sperm cell penetrates an egg
What is the definition of eugenics?
The effort to improve the human species by selective mating
Which term refers to the process of testing the heredity of an egg fertilized with assisted reproductive technology, typically to determine the presence of genetic disorders?
Preimplantation genetic screening (PGS)
What is the definition of zygote?
Fertilized egg, created when a sperm cell penetrates an egg
What is the definition of eugenics?
Effort to improve the human species by letting only people whose characteristics are valued by a society mate and pass along
Test your knowledge on prenatal diagnosis techniques and their advancements. Learn about the traditional methods used by obstetricians and explore the latest techniques for tracking the progress of prenatal development.
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